CVE-2019-12382 Null dereference in n/a

Medium 5.5 Published Updated

An unchecked kstrdup in the Linux kernel DRM EDID loader could allow an attacker to cause a system crash via NULL pointer dereference.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2019-12382?

CVE-2019-12382 is a medium-severity vulnerability in Linux kernel, published on 28 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in drm_load_edid_firmware in drivers/gpu/drm/drm_edid_load.c in the Linux kernel through 5.1.5. There is an unchecked kstrdup of fwstr, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: The vendor disputes this issues as not being a vulnerability because kstrdup() returning NULL is handled sufficiently and there is no chance for a NULL pointer dereference

Weakness: CWE-476

Which versions are affected by CVE-2019-12382?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2019-12382?

Apply the vendor's patch.

Is CVE-2019-12382 being exploited?

There is no known exploitation of CVE-2019-12382 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-12382, GHSA-cj2j-q546-99j2, ROOT-OS-DEBIAN-12-CVE-2019-12382, ROOT-OS-DEBIAN-13-CVE-2019-12382, UBUNTU-CVE-2019-12382.

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